The problem people have when transplanting their plants, is they do it WAY too soon. And this is wasting a pot size because you dont allow the roots to grow into a solid root mass.
I disagree with the first quote, and I agree with the second quote, it is obvious you are successful at growing Cannabis, can you elaborate on what you meant by the two seemingly contradictory statements?the key is to constantly transplant your plant up container size until the final flowering pot, this way you dont let your roots get a chance to actually get root bound.
I try to do it every 2 weeks, but the roots will tell ya when its time! sometimes 3 weeks is needed, sometimes i can transplant in 10 days.. depends on the strain and the growing conditions you provide!!
I should mention I have been farming for the better part of 25 years.
I obviously will be learning something here I can feel it.